Closure assembly



FIG. 1 is a perspective view of a closure assembly in an open position;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a top view thereof;

FIG. 5 is a bottom view thereof; and,

FIG. 6 is a right side view thereof, a left side view not being shown as it is a mirror image of the right side view.

The broken lines illustrating the unclaimed portions of the container form no part of the claimed design. 

CLAIM The ornamental design for a closure assembly, as shown and described. 